2006-03-22

Page 8

ITS 4141D

Conducted Emission

Acc. IEC 61967-4 (1

Ω / 150Ω method)

-2 0

-1 0

0

10

20

30

40

50

60

70

80

90

100

0, 1

1

10

100

1000

f / M H z

1 50o hm C la s s 6

1 50o hm C la s s 1

V B B , no is e f loo r

V BB, O N

15 0

Ω / 8- H

15 0

Ω / 13 - N

-2 0

-1 0

0

10

20

30

40

50

60

70

80

90

10 0

0, 1

1

10

10 0

1 0 0 0

f / M H z

15 0o hm C las s 6

15 0o hm C las s 1

VB B, n o is e f lo o r

VB B, PW M

150

Ω / 8- H

150

Ω / 13- N

Test circuit:

PROFET

V

OUT

IN

bb

R

5µH

5µH

150

Ω-Network

GND

For defined decoupling and high reproducibility a defined choke (5µH at 1 MHz)

is inserted between supply and Vbb-pin.